Enum McpError 

pub enum McpError {
    ConnectionFailed(String),
    AuthenticationFailed(String),
    ToolNotFound(String),
    ExecutionFailed(String),
    ResponseTooLarge(usize),
    Timeout(Duration),
    TlsRequired,
    ProtocolError(String),
    Serialization(String),
}

MCP-specific errors

Variants

ConnectionFailed(String)

Connection failed

AuthenticationFailed(String)

Authentication failed

ToolNotFound(String)

Tool not found on server

ExecutionFailed(String)

Tool execution failed

ResponseTooLarge(usize)

Response too large

Timeout(Duration)

Timeout

TlsRequired

TLS required but not available

ProtocolError(String)

Protocol error

Serialization(String)

Serialization error

Implementations

impl McpError

pub fn is_retryable(&self) -> bool

Check if error is recoverable

Trait Implementations

impl Debug for McpError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for McpError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for McpError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.